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Finding the Fourth Proportional to 348,170.68, 480,470.70 and 193,117.24

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Solution

The fourth proportional to 348,170.68, 480,470.70 and 193,117.24 is: 266,499.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,170.68 : 480,470.70 = 193,117.24 : x
  2. Step 2: Convert to fraction form
    348,170.68/480,470.70 = 193,117.24/x
  3. Step 3: Cross multiply
    348,170.68x = 480,470.70 × 193,117.24
  4. Step 4: Simplify right side
    348,170.68x = 92,787,175,484.87
  5. Step 5: Solve for x
    x = 92,787,175,484.87/348,170.68
  6. Step 6: Final answer
    x = 266,499.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.